Put 'thisReceiver' declaration in class

Interfaces also have 'thisReceiver'

compiler/testData/ir/irText/expressions/outerClassInstanceReference.txt

@@ -1,6 +1,6 @@
 FILE /outerClassInstanceReference.kt
   CLASS CLASS Outer
-    $new: VALUE_PARAMETER this@Outer: Outer
+    $this: VALUE_PARAMETER this@Outer: Outer
     CONSTRUCTOR public constructor Outer()
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
@@ -9,7 +9,7 @@ FILE /outerClassInstanceReference.kt
       $this: VALUE_PARAMETER this@Outer: Outer
       BLOCK_BODY
     CLASS CLASS Inner
-      $new: VALUE_PARAMETER this@Inner: Inner
+      $this: VALUE_PARAMETER this@Inner: Inner
       CONSTRUCTOR public constructor Inner()
         $outer: VALUE_PARAMETER this@Outer: Outer
         BLOCK_BODY